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The conversion between atomic mass units and kg is: 1 a.u. = 1.66x10-27 kg.
If a molecule is "singly ionized" then it has a total electric charge of 1.602x10-19 C.
In a certain mass spectrometer a singly ionized molecule whose molecular weight is 182 a.u. moves in a circle of radius 3.4 cm with the speed of 1.9 m/s
What is the radius of the orbit of singly ionized molecule whose molecular weight is 83 a.u., if it moves with the speed of 9.1 m/s?
A 0.245 kg ball is thrown straight up from 2.20 m above the ground. Calculate the total work done by the force of gravity during that time
A common capacitor found in the lab is in the form of a cylinder of length 2.5 cm. What is the value of the capacitance
Two air-track gliders of equal mass are initially moving in the same direction along a straight line. What is the speed of the first glider (rearmost) after the collision
A 5.0 ? resistor is connected in series with a 10.0 ?resistor. This combination is then connected in parallel witha 7.5 ? resistor. The three resistor network is then connectedin series with a 15 ? resistor.
A bungee jumper (m = 74.00 kg) tied to a 42.00 m cord, leaps off a 72.00 m tall bridge. What size impulse is exerted on the bungee jumper while the cord stretches
A particle starts from rest and accelerates as shown in the figure below. (a) Decide the particle's speed at t = 10.0 s. m/s Decide the particle's speed at t = 20.0 s? m/s (b) Decide the distance traveled in the first 20.0 s. (Enter your answer to on..
A Nile cruise ship takes 23.2 h to go upstream from Luxor to Aswan, a distance of 206 km, and 21.9 h to make the return trip downstream. Calculate the speed of the current in the Nile
A bat strikes a 0.145 kg baseball. Just before impact, the ball is traveling horizontally to the right at 50.0 m/s, What is the horizontal component of the impulse the bat imparts to the ball
if the speed of the train is 79 kmh how long does it take the car to pass the train?how far will the car have traveled
Jason has a 45-power telescope whose objective lens has a focal length of 120 {\rm cm}. What is the angular magnification of his sister when viewed through the "wrong" end of the telescope
q1. what is the acceleration of two falling sky divers mass 109.0 kg including parachute when the upward force of air
A point source of light is 84.2 cm below the surface of a body of water. Find the diameter of the circle at the surface through which light emerges from the water. Water has an index of refraction of 1.33.
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